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Domain Adaptation in Dialogue Systems using Transfer and Meta-Learning

2021-02-22 16:16:57
Rui Ribeiro, Alberto Abad, José Lopes

Abstract

tract: Current generative-based dialogue systems are data-hungry and fail to adapt to new unseen domains when only a small amount of target data is available. Additionally, in real-world applications, most domains are underrepresented, so there is a need to create a system capable of generalizing to these domains using minimal data. In this paper, we propose a method that adapts to unseen domains by combining both transfer and meta-learning (DATML). DATML improves the previous state-of-the-art dialogue model, DiKTNet, by introducing a different learning technique: meta-learning. We use Reptile, a first-order optimization-based meta-learning algorithm as our improved training method. We evaluated our model on the MultiWOZ dataset and outperformed DiKTNet in both BLEU and Entity F1 scores when the same amount of data is available.

Abstract (translated)

URL

https://arxiv.org/abs/2102.11146

PDF

https://arxiv.org/pdf/2102.11146


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